Ships – Hull or hull adjunct employing fluid dynamic forces to... – Movably mounted hull portion or hull adjunct
Patent
1984-08-06
1987-02-24
Blix, Trygve M.
Ships
Hull or hull adjunct employing fluid dynamic forces to...
Movably mounted hull portion or hull adjunct
338154, 340689, B63B 122
Patent
active
046448934
ABSTRACT:
A boat leveling systems with a pair of trim tabs pivotal between a horizontal position and a downwardly inclined position. Each trim tab is actuatably between the horizontal and inclined positions by a separate fluid motor which includes a cylinder, a piston slidably disposed in the cylinder and a rod connected to the piston. The position of each trim tab is indicated by apparatus which includes a linear potentiometer attached to the rod of the associated fluid motor, the potentiometer having a flexible plastic envelope and a pair of normally spaced-apart conductive strips sealed in the envelope, a ball and spring carried by the cylinder for contacting the envelope and forcing the strips into electrical contact with each other, and a resistance measuring device connected in circuit with the potentiometer and to provide a readout in degrees of the downward angle from horizontal of the trim tab.
REFERENCES:
patent: 3062167 (1962-11-01), Bennett
patent: 3111103 (1963-11-01), Bennett
patent: 3326164 (1967-06-01), Kercheval
patent: 3399643 (1968-09-01), Bennett
patent: 3468278 (1969-09-01), Kercheval
patent: 3589323 (1971-06-01), Kercheval
patent: 3626350 (1971-12-01), Suzuki et al.
patent: 3628487 (1971-12-01), Bennett
patent: 3695204 (1972-10-01), Bennett
patent: 3764953 (1973-10-01), Lehnert
patent: 3814044 (1974-06-01), Kercheval
patent: 3844247 (1974-10-01), Collis et al.
patent: 4140045 (1979-02-01), Hardwick et al.
patent: 4176586 (1979-12-01), Stoil et al.
patent: 4333068 (1982-06-01), Kishel
patent: 4386552 (1983-06-01), Foxwell
patent: 4420741 (1983-12-01), West
Avila Stephen P.
Blix Trygve M.
International Hydraulic Systems, Inc.
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